What version of Struts 2 are you attempting to use? On Sat, Nov 11, 2017 at 5:58 PM albert kao <albertk...@gmail.com> wrote:
> I downloaded the source code of the book "Apache Struts 2 Web Application > Development" by Dave Newton from the > https://www.packtpub.com/books/content/support. > > Chapter 2 had compile error with Apache Maven 3.5.0. > $ mvn -version > Apache Maven 3.5.0 (ff8f5e7444045639af65f6095c62210b5713f426; > 2017-04-03T15:39:06-04:00) > Maven home: /home/alkao/maven/apache-maven-3.5.0 > Java version: 1.8.0_144, vendor: Oracle Corporation > Java home: /home/alkao/jdk/jdk1.8.0_144/jre > Default locale: en_CA, platform encoding: UTF-8 > OS name: "linux", version: "4.4.0-21-generic", arch: "i386", family: "unix" > > To fix it, I removed just the <scope> tag in pom.xml. > Then run mvn: > $ cd > /home/alkao/Struts2/Apache_Struts_2_Web_Application_Development/ch02/sanity > $ mvn clean package > > Running wildfly-10.1.0.Final: > $ JBOSS_HOME/bin/standalone.sh > $ jboss-cli.sh --connect --command="deploy > > /home/alkao/Struts2/Apache_Struts_2_Web_Application_Development/ch02/sanity/target/ch02-sanity-1.0.war > --force" > > Running these 3 http links resulted in the same error in the web browser > below. > Please help. Thanks. > http://localhost:8080/ch02-sanity-1.0/index.html > http://localhost:8080/ch02-sanity-1.0/sanity.jsp > http://localhost:8080/ch02-sanity-1.0/sanity.action > > > > > Error processing request > Context Path: > /ch02-convention-1.0 > > Servlet Path: > /index.html > > Path Info: > null > > Query String: > null > > Stack Trace > java.lang.NullPointerException > > com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading(FileManager.java:209) > > com.opensymphony.xwork2.util.FileManager.fileNeedsReloading(FileManager.java:60) > > com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.needsReload(XmlConfigurationProvider.java:325) > > org.apache.struts2.config.StrutsXmlConfigurationProvider.needsReload(StrutsXmlConfigurationProvider.java:168) > > com.opensymphony.xwork2.config.ConfigurationManager.conditionalReload(ConfigurationManager.java:220) > > com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:61) > org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:774) > > org.apache.struts2.dispatcher.ng.InitOperations.initStaticContentLoader(InitOperations.java:77) > > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:49) > > io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:111) > > org.wildfly.extension.undertow.security.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:84) > > io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:97) > io.undertow.servlet.core.ManagedFilter.createFilter(ManagedFilter.java:80) > io.undertow.servlet.core.ManagedFilter.getFilter(ManagedFilter.java:66) > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > > io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) > > io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) > > io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) > > org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) > > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > > io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) > > io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) > > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > > io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) > > io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) > > io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) > > io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) > > io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) > > io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) > > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > > org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) > > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > > io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292) > > io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81) > > io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138) > > io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) > > io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) > > io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) > > io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44) > > io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44) > > io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44) > > io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44) > > io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44) > > io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) > > io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) > > io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104) > io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) > io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:805) > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > java.lang.Thread.run(Thread.java:748) > -- e: davelnew...@gmail.com m: 908-380-8699 s: davelnewton_skype t: @dave_newton <https://twitter.com/dave_newton> b: Bucky Bits <http://buckybits.blogspot.com/> g: davelnewton <https://github.com/davelnewton> so: Dave Newton <http://stackoverflow.com/users/438992/dave-newton>
